Stomopogon capribarba ( Stein, 1911 ),

Fogaça, João M., Gomes, Lucas R. P., Couri, Márcia S., Rodríguez-Fernandez, Jaime I. & De Carvalho, Claudio J. B., 2021, Neotropical Stomopogon (Diptera, Muscidae): new species, redescriptions and key to species, Zootaxa 4903 (3), pp. 301-330: 314-316

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Stomopogon capribarba ( Stein, 1911 )


Stomopogon capribarba ( Stein, 1911) 

( Figs 4View FIGURE 4 A–C, 14A–D, 15A–D)

Type-material examined. Lectotype. Male : “ Bolivia \ 21. xii. 02 \ Sorata 2300m [green, printed label and partially handwritten, 02 = 1902]”; “ LECTOTYPE ♁ \ Coenosia  \ capribarba \ Stein, 1911 \ Des.A. C. Pont 1999 [white printed label]” ( SMT) ( Fig. 14DView FIGURE 14)  . Paralectotypes 5♁♁ 1♀. Same data as lectotype, 3♁♁  1♀ ( SMT), 2♁♁ ( ZMHU)  .

Additional material examined. Same data as lectotype, 10♁♁; 20. xii. 02, 1♁; 20. xii. 02, 1♀ ( SMT)  .

Diagnosis. S. capribarba  can be separated from other species by mid and hind legs longer than foreleg and gena with several white dense very long setae beard-like. In addition, it differs from S. hirtitibia  and S. paranaensis  sp. nov. by the yellow tibiae and from S. albiseta  and S. boliviensis  by the yellow postpedicel.


Head ( Fig. 14BView FIGURE 14). Frontal vitta, light brown; fronto-orbital plate, face, parafacial and gena dense silvery pruinose. Eye bare, distance between eyes 0.46 of maximum head-width. Antenna dark brown, inserted on above middle of eyes, postpedicel dark brown, about 3 times pedicel length. 3 frontal setae, reduced; 1 proclinate orbital seta; 1 upper orbital seta; ocellar seta reduced, smaller than upper orbital seta; postocellar seta divergent, twice longer than ocellar seta; inner vertical seta parallel twice longer than ocellar seta; outer vertical seta divergent, almost the same length as inner vertical seta. Proboscis shiny dark brown. Palpus brown and filiform.

Thorax ( Fig. 14CView FIGURE 14). Two strong brown vittae running along dorsocentral lines. Acrostichal setae 4+4, hair-like; 5 anepisternal setae.

Legs ( Fig. 14AView FIGURE 14). Black, with fore femur grey pruinose in basal half and yellowish on apical half; fore tibia grey pruinose; mid and hind legs yellowish. Fore coxa with several long white setae. Two first tarsomeres flattened. Claws and pulvilli reduced. Fore femur with a complete row of long and black pd setae. Fore tibia with 1 apical seta on d and pd. Mid femur with 2 p setae on apical half. Mid tibia with 2 p median setae; apical seta on d, a and v. Hind femur with complete row of long setae on ad; 2 a setae on apical half; an av row of 3 long setae on apical half; 2 d, 3 ad and 3 pd setae on apical half. Hind tibia with many long setae on all surfaces, the 3 ad, 1 d and 3 pd stronger than other ( Fig. 14AView FIGURE 14); 1 preapical seta on ad, d, pd, av and v, all well developed.

Abdomen ( Fig. 14CView FIGURE 14). 4 pairs of subquadrate central dark brown spots on tergites. Sternite 5 U-shaped, covered with many setae ( Fig. 4AView FIGURE 4).

Terminalia  ( Fig. 4View FIGURE 4 B–C). Cercus longer than wide, apically shallow bifurcate; surstylus enlarged (lateral view); hypandrium long tubular; phallapodeme straight and smaller than hypandrium. Pregonite longer than postgonite, postgonite bare.

Female (15A–D). Similar to male, but without several white dense long setae on gena; the vitta along planes of dorsocentral setae is larger than male thorax vitta. Fore coxa without several long setae; fore tibia without a row of long setae on v to pv; first fore tarsus without a row of log setae on pd and row of seta beard-like on v. Hind tibia without many long setae on all surfaces. Two mid tarsi not flattened.

Distribution. Argentina (Tucumán) and Bolivia (La Paz).


Zoologisches Museum der Humboldt Universitaet